var how_many_ads = 8;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
txt="";
url="/index.jsp";
alt="Return to U.S. Government Bookstore Main Page";
banner="/images/bookstore_logo_scourt.jpg";
width="382";
height="86";
}
if (ad==2) {
txt="!";
url="/index.jsp";
alt="Return to U.S. Government Bookstore Main Page";
banner="/images/bookstore_logo_capitol.jpg";
width="382";
height="86";
}
if (ad==3) {
txt=""; 
url="/index.jsp";
alt="Return to U.S. Government Bookstore Main Page";
banner="/images/bookstore_logo_constitution.jpg";
width="382";
height="86";
}
if (ad==4) {
txt=""; 
url="/index.jsp";
alt="Return to U.S. Government Bookstore Main Page";
banner="/images/bookstore_logo_crecord.jpg";
width="382";
height="86";
}
if (ad==5) {
txt=""; 
url="/index.jsp";
alt="Return to U.S. Government Bookstore Main Page";
banner="/images/bookstore_logo_flag.jpg";
width="382";
height="86";
}
if (ad==6) {
txt=""; 
url="/index.jsp";
alt="Return to U.S. Government Bookstore Main Page";
banner="/images/bookstore_logo_lincoln.jpg";
width="382";
height="86";
}
if (ad==7) {
txt=""; 
url="/index.jsp";
alt="Return to U.S. Government Bookstore Main Page";
banner="/images/bookstore_logo_whitehouse1.jpg";
width="382";
height="86";
}
if (ad==8) {
txt=""; 
url="/index.jsp";
alt="Return to U.S. Government Bookstore Main Page";
banner="/images/bookstore_logo_eagle2.jpg";
width="382";
height="86";
}
document.write('<div align="left">');
document.write('<a href=\"' + url + '\" target=\"_self\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border="0" vspace="0">');
document.write('</div>');